80213888

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 170968320

約数和(自身を除く): 90754432

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 191, 193, 272, 382, 386, 544, 764, 772, 1088, 1528, 1544, 2176, 3056, 3088, 3247, 3281, 6112, 6176, 6494, 6562, 12224, 12352, 12988, 13124, 24448, 24704, 25976, 26248, 36863, 51952, 52496, 73726, 103904, 104992, 147452, 207808, 209984, 294904, 415616, 419968, 589808, 626671, 1179616, 1253342, 2359232, 2506684, 4718464, 5013368, 10026736, 20053472, 40106944, 80213888]

約数ペア:

[(1, 80213888), (2, 40106944), (4, 20053472), (8, 10026736), (16, 5013368), (17, 4718464), (32, 2506684), (34, 2359232), (64, 1253342), (68, 1179616), (128, 626671), (136, 589808), (191, 419968), (193, 415616), (272, 294904), (382, 209984), (386, 207808), (544, 147452), (764, 104992), (772, 103904), (1088, 73726), (1528, 52496), (1544, 51952), (2176, 36863), (3056, 26248), (3088, 25976), (3247, 24704), (3281, 24448), (6112, 13124), (6176, 12988), (6494, 12352), (6562, 12224)]